Quick Answer. In an official American football game, there are a total of 22 players with 11 players from each team on the field per play. Any team that fields more than 11 players per play receives a penalty.
The star is unique in the known pool of 32,000 white dwarf stars, and is the only known star of any kind with an almost pure oxygen atmosphere. The new white dwarf has a mouthful of a nameâSDSSJ124043.01+671034.68âbut has been nicknamed 'Dox' (pronounced Dee-Awks) by Kepler's team.
That's 800ml of pure oxygen already in your circulation. Of course, you can't use it all (because physiologically you can only get your saturation down to about 25%), but this is partly offset by the fact that you don't use oxygen like a car uses petrol: at a linear rate until you run out.